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CNBC's Tyler Mathisen; Paul Steiger, ProPublica, and Jeffrey Sonnenfeld, Yale School of Management, share their thoughts on the titans of central banking and whether Treasury Secretary Henry Paulson should have made the list.

Alan Greenspan, former Federal Reserve chairman, shares his thoughts on the impact of income inequality on society. You cannot run a market economy effectively if there is a real pull within the social system, says Greenspan.

Diplomacy is far less important than stock movements in Russia, says Alan Greenspan, former Federal Reserve chairman, sharing his thoughts on the growing crisis in Ukraine and its impact on the Russian economy.

The issue here is skills, says Alan Greenspan, former Chairman of the Federal Reserve, sharing his thoughts on the jobs market. I've argued to change our immigration quotas, Greenspan adds. There are a huge number of people outside our borders who would love to come here.